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https://issues.apache.org/jira/browse/KAFKA-1071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13784816#comment-13784816
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Jun Rao commented on KAFKA-1071:
--------------------------------

Thanks for the patch. Would it be better to just get a random int in 
getPartition()? In the current approach, if the multiple producer instances 
somehow get into the lock-step mode, they will never get out of that mode, if 
partitions are always available.

> The random partition selected in DefaultEventHandler is not random across 
> producer instances
> --------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-1071
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1071
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>            Assignee: Guozhang Wang
>             Fix For: 0.8
>
>         Attachments: KAFKA-1071.v1.patch
>
>
> In DefaultEventHandler, partitionCounter is initialized to 0. If multiple 
> producers start at about the same time, they likely will always select the 
> same partition.



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